DCC X.3
The Functional Group with classic PAD functions
This Functional Group is used to connect asynchronous terminal equipment.
Features
- Full support of CCITT recommendations X.3, X.28, X.29
- Access control by examination of the calling number
- Definition of multi-digit sub-addresses per physical port
- Automatic connection establishment (Data,...)
- Short dial IDs
- Configurable Q-bit evaluation
- NUI and password management
- SLIP transmission
- PPP transparent
- Disconnect timer
- Generation of alert data tickets
- Escape Mode
- Connect indication: Mapping of a connect status by using the interface signals (DCD/DTR)
- Extensive statistical functions
- AT-command set (optional)
Interface units
- Standard interface unit with X.21bis or X.21
I/O modules
- X.21bis
- X.21
- Dial up
- 4TTY/ 20 mA
- RS 485